//gui
#define SCREEN_X_MAX 800
#define SCREEN_Y_MAX 600

//size of mouse
#define SIZE_X_MOUSE 5
#define SIZE_Y_MOUSE 5

//mouse event
#define LEFT_CLICK 1
#define RIGHT_CLICK 2
#define DOUBLE_CLICK 3
#define DRAGGING 4
#define DRAG_RELEASE 5